title: Is detection of JC virus DNA in blood a valuable screening test for progressive multifocal leukoencephalopathy in Crohn's disease patients eligible for anti-alpha4 integrin therapy?
authors.forename: G
authors.initials: G
authors.lastname: Pineton de Chambrun
authors.forename: G
authors.initials: G
authors.lastname: Vernier-Massouille
authors.forename: N
authors.initials: N
authors.lastname: Viget
authors.forename: J-F
authors.initials: JF
authors.lastname: Colombel
authors.forename: Y
authors.initials: Y
authors.lastname: Yazdanpanah
mesh_terms: D003424:Crohn Disease / Q000097:blood* / Q000188:drug therapy; D004279:DNA, Viral / Q000097:blood*; D006801:Humans; D007166:Immunosuppressive Agents / Q000009:adverse effects; D039441:Integrin alpha4 / Q000009:adverse effects; D007577:JC Virus / Q000235:genetics / Q000302:isolation & purification*; D007968:Leukoencephalopathy, Progressive Multifocal / Q000175:diagnosis* / Q000821:virology; D012307:Risk Factors; D019562:Viral Load
chemical_list: D004279:DNA, Viral; D007166:Immunosuppressive Agents; D039441:Integrin alpha4